Situations to prefer Apache Lucene over Solr?

Question

There are several advantages to use Solr 1.4 (out-of-the-box facetting search, grouping, replication, http administration vs. luke, ...).

Even if I embed a search-functi

Answer 1

If you have a web application, use Solr - I've tried integrating both, and Solr is easier. Otherwise, if you don't need Solr's features (the one that comes to mind as being most important is faceted search), then use Lucene.